subcritical state
31Criticality accident — …
32industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
33Energy development — Schematic of the global sources of energy in 2006 2007 …
34Mannitol — D Mannitol Systematic (IUPAC) name (2 …
35List of Ig Nobel Prize winners — This is a list of Ig Nobel Prize winners from 1991 to the present day. A parody of the Nobel Prizes, the Ig Nobel Prizes are given each year in early October around the time the recipients of the genuine Nobel Prizes are announced for ten… …
36Shutdown (nuclear reactor) — In a nuclear reactor, shutdown refers to the state of the reactor when it is subcritical by at least a margin defined in the reactor s technical specifications. Further requirements for being shut down may include having the reactor control key… …
37nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
38Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium …
39Bechtel — Infobox Company company name = Bechtel Corporation company company type = Private company slogan = Bechtel Builds foundation = 1898 industry = Heavy construction, Engineering, Project Management location = San Francisco key people = Riley P.… …
40Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
